class D {
	double f(int x,double y) {
	   return x+y;
	}
	int f(int x,int y) {
	   return x*y;
	}
}
public class E4_4 {
	public static void main(String args[]) {
	   D a= new D();
	   System.out.println(a.f(10,10));
	   System.out.println(a.f(10,10.0));
	}
}